| Orthography | Sounda | Soundb | Examples |
|---|---|---|---|
| Front | |||
| i | /i/, /j/ | /i/ | |
| y | /i/, /j/ | /i/ | like the i in sin |
| ê | /e/, /ɜ/ | /e/ | |
| e | /ɛ/ | /ɛ/ | |
| Central | |||
| ư | /ɨ/ | /w/ | like the ew in dew, but without any y sound;
like the u in French du; say a oo sound with teeth together
and lips spread wide |
| ơ | /əː/, /ɜ/ | /əː/ | |
| â | /ɜ/ | /ə/ | vâng hân rất nhân tập |
| a | /ɐː/, /ɐ/, /ɜ/ | /aː/ | |
| ă | /ɐ/ | /a/ | gặp |
| Back | |||
| u | /u/, /w/ | /u/ | |
| ô | /o/, /ɜw/, /ɜ/ | /o/ | |
| o | /ɔ/, /ɐw/, /w/ | /ɔ/ |